rheostatn.
英 'riːəstæt | 美 'riə,stæt
中文n. [电] 变阻器
词根词源
rheostat (n.)1843, coined by English physicist Sir Charles Wheatstone (1802-1875) from Greek rheos "a flowing, stream" (from PIE root *sreu-, see rheum) + -stat "regulating device." Related: Rheostatic.
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